﻿// Software License Agreement (BSD License)
// 
// Copyright (c) 2011, iSn0wra1n <isn0wra1ne@gmail.com>
// All rights reserved.
// 
// Redistribution and use of this software in source and binary forms, with or without modification are
// permitted without the copyright owner's permission provided that the following conditions are met:
// 
// * Redistributions of source code must retain the above
//   copyright notice, this list of conditions and the
//   following disclaimer.
// 
// * Redistributions in binary form must reproduce the above
//   copyright notice, this list of conditions and the
//   following disclaimer in the documentation and/or other
//   materials provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
// TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;

namespace CoreFoundation
{
    public class CFArray : CFType
    {
        public CFArray() { }
        public CFArray(IntPtr Number)
            : base(Number)
        {
        }
        public CFArray(IntPtr[] values)
        {
            try
            {
                typeRef = CFLibrary.CFArrayCreate(IntPtr.Zero, values, values.Length, IntPtr.Zero);
            }
            catch (Exception Ex)
            {
                typeRef = IntPtr.Zero;
            }
        }
        /// <summary>
        /// Returns the number of values currently in an array
        /// </summary>
        /// <returns></returns>
        public int GetCount
        {
            get
            {
                return CFLibrary.CFArrayGetCount(typeRef);
            }
        }

        /// <summary>
        /// Retrieves a value at a given index
        /// </summary>
        /// <param name="index"></param>
        /// <returns></returns>
        public CFType GetValue(int index)
        {            
            if (index >= GetCount)
                return new CFType(IntPtr.Zero);

            return new CFType(CFLibrary.CFArrayGetValueAtIndex(typeRef, index));

        }
    }
}
